AGC of a multi-area power system interconnected by AC/DC links with Redox Flow Battery

This paper addresses the AGC of a multi-area interconnected electric power system with an HVDC link mechanism incorporating a Redox Flow Battery. The proposed multi-area test system segregated areas 1 and 2 of thermal with reheat turbine, hydro, and gas generating units. A sine cosine algorithm is a new population-oriented optimization technique is used to tune the PID controller gain parameters. The effectiveness of the proposed algorithm has been compared with the PSO algorithm. This work can be protracted to the HVDC tie-line is added in parallel with the AC tie-line. In addition, the performance of RFB based energy storage is used to enhance the dynamic behavior of the interconnected system. This response is assessed by 1% SLP in control area-1. Sensitivity analysis reflects the robustness of the system to variations in the parameters like frequency bias co-efficient (B) and speed governor regulation (R) in the range of ±25% and ±50% in both areas simultaneously.